Command Injection Vulnerability in RustFly Remote UI Control
CVE-2026-27476

9.3CRITICAL

Key Information:

Vendor

Bixat

Status
Rustfly
Vendor
CVE Published:
19 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-27476?

RustFly 2.0.0 is susceptible to a command injection flaw within its remote user interface control mechanism. This vulnerability allows attackers to send specially crafted hex-encoded instructions over UDP port 5005, lacking appropriate input validation. By exploiting this weakness, attackers can execute unauthorized commands on the target system, potentially leading to severe impacts such as the establishment of reverse shells and arbitrary command execution.

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Affected Version(s)

RustFly 2.0.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-27476 - Proof of Concept

References

https://packetstorm.news/files/id/215819/
exploit
https://www.vulncheck.com/advisories/rustfly-command-inje...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

indoushka
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